diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c8c0dd04982d..d9d13e78bf13 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1487,7 +1487,8 @@ static int ipv6_create_tempaddr(struct inet6_ifaddr *ifp, bool block)
 	age = (now - tmp_tstamp + ADDRCONF_TIMER_FUZZ_MINUS) / HZ;
 	if (cfg.preferred_lft <= regen_advance + age) {
 		cfg.preferred_lft = regen_advance + age + 1;
-		if (cfg.preferred_lft > cfg.valid_lft ||
+		if (cfg.preferred_lft <= regen_advance + age ||
+		    cfg.preferred_lft > cfg.valid_lft ||
 		    cfg.preferred_lft > if_public_preferred_lft) {
 			in6_ifa_put(ifp);
 			in6_dev_put(idev);